Alfred's car in this episode is the same that the character Ralph Malph drives in the TV sitcom Happy Days (1974).
Heather North, who plays the obsessed girl Kathy Baxter, is the original voice of Daphne in the TV cartoon series Scooby Doo, Where Are You! (1969). She reprised the role for several of the later permutations of the Scooby Doo cartoon series and shows.
Alfred plans to take Kathy to see the movie "The Atomic Pizza." The week before, they watched "The Human Hamburger Goes to Hawaii."
Rusty Hamer, who played the character Alfred Newton, also played Danny Thomas 's son Rusty in the TV show The Danny Thomas Show (1953), a.k.a. "Make Room For Daddy."
Lisa makes lemonade by filling a pitcher with water and tossing in whole, unpeeled lemons. Eb raves about her sauerkraut-ade.